
How does the injection molding process work in a job work setup?
Injection molding is a widely used manufacturing process in plastic molding jobwork setups, especially for producing high-quality and customized plastic parts. Here’s an overview of how the process works in a typical jobwork setup in Kerala:
- Understanding Client Requirements
The process begins with understanding the client’s needs, such as:
Product design specifications
Material selection (e.g., thermoplastics, thermosetting plastics)
Quantity and delivery timelines
In a custom injection molding setup, companies like SuperTech Industries collaborate with clients to develop tailored solutions.
- Mold Design and Fabrication
A mold (or tool) is designed based on the product’s dimensions, geometry, and functional requirements. This step involves:
CAD modeling for precise mold design
Mold fabrication using high-grade materials to ensure durability and precision
The mold is a critical component, as it directly affects the quality of the custom plastic parts produced.
- Material Preparation
The selected plastic material is prepared for molding. This involves:
Cleaning and drying the material to remove moisture
Adding necessary additives or fillers for enhanced properties
Materials such as polypropylene (PP), ABS, or biodegradable plastics are commonly used in injection molding services in Kerala.
- Injection Molding Process
The actual molding process involves the following steps:
a. Melting the Plastic
The plastic granules are fed into a hopper.
They are heated and melted in the injection molding machine.
b. Injecting the Molten Plastic
The molten plastic is injected into the mold cavity under high pressure.
This ensures the material fills the mold completely and evenly.
c. Cooling and Solidification
The mold is cooled to solidify the plastic.
Cooling time depends on the material and product thickness.
d. Ejecting the Part
The mold opens, and the finished part is ejected.
Any excess material (flash) is trimmed for a clean finish.
5. Post-Molding Operations
After molding, additional operations may be performed, such as:
Trimming and Finishing: To ensure a smooth, clean product.
Assembly: Combining multiple parts if required.
Quality Inspection: Ensuring the product meets the client’s specifications.
6. Packaging and Delivery
The final products are packaged and delivered to the client as per the agreed timelines.

Why Choose SuperTech Industries for Injection Molding Jobwork?
Super Tech Industries is a trusted name in injection molding services in Kerala, offering end-to-end solutions for plastic product manufacturing:
Expertise in precision molding jobwork and custom injection molding solutions
Advanced mold-making and design capabilities
Use of high-quality materials and state-of-the-art technology
Over 30 years of experience ensuring top-tier quality and reliability
Partnering with SuperTech Industries guarantees efficient, high-quality, and cost-effective injection molding solutions tailored to your needs.